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9th Annual Smithsonian Magazine Photo Contest Natural World
Two Plains Bison seen sparring in Yellowstone National Park in 2009.

Two Plains Bison seen sparring in Yellowstone National Park in 2009.

Photo Detail
Date Taken: 09.2009
Date Uploaded: 07.2011
Photo Location: Wyoming, United States of America
Camera: KODAK Z740 ZOOM DIGITAL CAMERA
Copyright: © Suzanne Johnston